MCQ
A particle is tied to $20 cm$ long string. It performs circular motion in vertical plane. What is the angular velocity of string when the tension in the string at the top is zero
- ✓$5 rd / sec$
- B$2 rad / sec$
- C$7.5 rad / sec$
- D$7 rad / sec$
✓
Answer
Correct option: A.
$5 rd / sec$
(a)
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